Lotus 50 cent coins are collectible. In 2003 and 2005, the collection value of "Lotus Pentagon" increased by about 3 times, and in 2002 (the first coin) increased by about 2 times, so the collection space of "Lotus Pentagon" coin series is still relatively large. Coins (coins; Coins; Hard currency; Hard currency; Pieces), that is, money made of metal. It has a history of thousands of years in China. The earliest metal coin is the Baode copper shell of Shang Dynasty, which has been more than 3,000 years. Metal coins have the advantages of convenient use, wear resistance and long circulation life. In addition to its own monetary function, it also has a high artistic appreciation and value preservation function.